#ifndef STEP
#define STEP
#include <string>
#include <string.h>
#include <stdio.h>
#include <iostream>
#include <fstream>
#include <iomanip>
#include <vector>

#include "TCanvas.h"
#include "TMath.h"
#include "TFile.h"
#include "TTree.h"
#include "TString.h"
#include "TKey.h"
#include "TH1.h"
#include "TF1.h"
#include "TSpectrum.h"
//#include "TVirtualFitter.h"

using namespace std;

void Step(TFile*, char*, char*, double, double, double, double, double, char*);
Double_t fErfc(Double_t *x, Double_t *par);
#endif
